diff mbox series

[3/4] usbnet: smsc95xx: fix memcpy for accessing rx-data

Message ID 20181114115022.9584-4-ben.dooks@codethink.co.uk
State Accepted, archived
Delegated to: David Miller
Headers show
Series [1/4] usbnet: smsc95xx: fix rx packet alignment | expand

Commit Message

Ben Dooks Nov. 14, 2018, 11:50 a.m. UTC 
Change the RX code to use get_unaligned_le32() instead of the combo
of memcpy and cpu_to_le32s(&var).

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
 drivers/net/usb/smsc95xx.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 50e97a159500..8f7c473f3260 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -618,9 +618,7 @@  static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
 		return;
 	}
 
-	memcpy(&intdata, urb->transfer_buffer, 4);
-	le32_to_cpus(&intdata);
-
+	intdata = get_unaligned_le32(urb->transfer_buffer);
 	netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata);
 
 	if (intdata & INT_ENP_PHY_INT_)
@@ -1922,8 +1920,7 @@  static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 		unsigned char *packet;
 		u16 size;
 
-		memcpy(&header, skb->data, sizeof(header));
-		le32_to_cpus(&header);
+		header = get_unaligned_le32(skb->data);
 		skb_pull(skb, 4 + NET_IP_ALIGN);
 		packet = skb->data;